Christian Hertach completed the topic Test your Knowledge on Social Business 5 days, 20 hours ago

Christian Hertach completed the topic Test your Knowledge on Social Business 5 days, 21 hours ago

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Christian Hertach completed the topic Hear how social entrepreneurs describe impact and what it means to their businesses 6 days ago

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Christian Hertach completed the topic Value Proposition Design Canvas 1 week, 6 days ago

Christian Hertach completed the topic Introduction to value proposition design 1 week, 6 days ago